#include <stdio.h>


int main(int argc, char const *argv[])
{
    int num = 8;        //00...1000
    int num_1 = -5;     //11...1011
    int test1 = 1;
    int test2 = 0;
    test1 = test1 << 2;
    test2 = test2 << 3;
    printf("num_1 = %d\n",test1 | num_1);
    printf("num = %d\n",test2 & num);
    return 0;
}
